Alert archive / New York / High Wind Watches in 2020

High Wind Watch 1, NWS New York, NY

April 11, 202011 counties in New York; 5 counties in New Jersey; 4 counties in Connecticut

NWS New York, NY issued this high wind watch at Apr 11, 2020, 4:12 PM EDT for 11 counties in New York; 5 counties in New Jersey; 4 counties in Connecticut. It took effect at Apr 13, 2020, 6:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued: Apr 11, 2020, 4:12 PM EDT (20:12 UTC)
In effect from: Apr 13, 2020, 6:00 AM EDT
Expired: Apr 12, 2020, 3:54 PM EDT
In force
Issued by: NWS New York, NY

Counties Greater Bridgeport Planning Region, CT, Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Richmond County, NY, Rockland County, NY, Suffolk County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 71 km from the middle of the area, began a volume at 20:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.2 hours before the alert went out and 187 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1090 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 182 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS New York, NY wrote its last area forecast discussion before this high wind watch went out at Apr 11, 1:46 PM EDT, 2 hours 26 minutes earlier.

Area forecast discussion, Apr 11, 1:46 PM EDT, 2 hours 26 minutes before

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Hazardous weather outlook, Apr 11, 10:23 AM EDT, 5 hours 49 minutes before

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The office that day

Everything else NWS New York, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 10, 8:50 PM EDT	Small Craft Advisory	OKX		23 hr
Apr 11, 4:11 PM EDT	Storm Watch	OKX		23 hr
Apr 11, 3:57 AM EDT	Red Flag Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	15 hr

Nearby

High Wind Watches in New York, 2020 High Wind Watches in New Jersey, 2020 High Wind Watches in Connecticut, 2020 Every high wind watch in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.